Powersports Piston and Ring Kits

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008K

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Estimated Ship Date: Today

ProX Piston Kit CR125 '88-91 (53.93mm)

Part Number: PXR-01-1208-A

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 74.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002-4K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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ProX Piston Kit KX80 '88-00 (79cc) (46.96mm)

Part Number: PXR-01-4118-B

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 84.97mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10040K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 40.000mm Bore, 6.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40005K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 48.450mm Bore, 9.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20085K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 78.71mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-1K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 75.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 54.000mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20000K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 73.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 71.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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ProX Piston Kit KX100 '95-13 (52.45mm)

Part Number: PXR-01-4195-A

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Repair Kit, Top End, 67.47mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20001-2K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 53.960mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-CK

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 46.95mm Bore, Yamaha, Kit

Part Number: NTI-NX-40080K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 53.950mm Bore, 10.70 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40009K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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ProX Piston Kit KX80 '90-00 (82cc) (47.97mm)

Part Number: PXR-01-4108-D

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 44.450mm Bore, 8.40 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20065-BK

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Estimated Ship Date: Oct 20, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40008K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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ProX Piston Kit KTM65SX '09-22 + TC65 '17-22 (44.99mm)

Part Number: PXR-01-6029-D

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Estimated Ship Date: Oct 20, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024K

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Estimated Ship Date: Today

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-2K

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Estimated Ship Date: Today